1528132716 has 252 divisors, whose sum is σ = 4542490512. Its totient is φ = 449064000.

The previous prime is 1528132691. The next prime is 1528132733. The reversal of 1528132716 is 6172318251.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 83 ways as a sum of consecutive naturals, for example, 21522961 + ... + 21523031.

It is an arithmetic number, because the mean of its divisors is an integer number (18025756).

Almost surely, 2^1528132716 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1528132716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2271245256).

1528132716 is an abundant number, since it is smaller than the sum of its proper divisors (3014357796).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1528132716 is a wasteful number, since it uses less digits than its factorization.

1528132716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176 (or 148 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 1528132716 is about 39091.3381198444. The cubic root of 1528132716 is about 1151.8263898533.

The spelling of 1528132716 in words is "one billion, five hundred twenty-eight million, one hundred thirty-two thousand, seven hundred sixteen".